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Wireless energy efficient occupancy-monitoring system for smart buildings (2019)
Journal Article
Lasla, N., Doudou, M., Djenouri, D., Ouadjaout, A., & Zizoua, C. (2019). Wireless energy efficient occupancy-monitoring system for smart buildings. Pervasive and Mobile Computing, 59, https://doi.org/10.1016/j.pmcj.2019.101037

© 2019 Elsevier B.V. Rationalizing energy consumption in smart buildings is considered in this paper, and a wireless monitoring system based on Passive Infrared sensors (PIRs) is proposed. The proposed system is pervasive and can be integrated in exi... Read More about Wireless energy efficient occupancy-monitoring system for smart buildings.

Machine learning for smart building applications: Review and taxonomy (2019)
Journal Article
Djenouri, D., Laidi, R., Djenouri, Y., & Balasingham, I. (2019). Machine learning for smart building applications: Review and taxonomy. ACM Computing Surveys, 52(2), 1-36. https://doi.org/10.1145/3311950

© 2019 Association for Computing Machinery. The use of machine learning (ML) in smart building applications is reviewed in this article. We split existing solutions into two main classes: occupant-centric versus energy/devices-centric. The first clas... Read More about Machine learning for smart building applications: Review and taxonomy.

A Survey on Urban Traffic Anomalies Detection Algorithms (2019)
Journal Article
Djenouri, Y., Belhadi, A., Lin, J. C., Djenouri, D., & Cano, A. (2019). A Survey on Urban Traffic Anomalies Detection Algorithms. IEEE Access, 7, 12192-12205. https://doi.org/10.1109/access.2019.2893124

© 2019 IEEE. This paper reviews the use of outlier detection approaches in urban traffic analysis. We divide existing solutions into two main categories: flow outlier detection and trajectory outlier detection. The first category groups solutions tha... Read More about A Survey on Urban Traffic Anomalies Detection Algorithms.

Frequent itemset mining in big data with effective single scan algorithms (2018)
Journal Article
Djenouri, Y., Djenouri, D., Chun-Wei Lin, J., & Belhadi, A. (2018). Frequent itemset mining in big data with effective single scan algorithms. IEEE Access, 6, 68013-68026. https://doi.org/10.1109/ACCESS.2018.2880275

© 2013 IEEE. This paper considers frequent itemsets mining in transactional databases. It introduces a new accurate single scan approach for frequent itemset mining (SSFIM), a heuristic as an alternative approach (EA-SSFIM), as well as a parallel imp... Read More about Frequent itemset mining in big data with effective single scan algorithms.

Adaptive learning-enforced broadcast policy for solar energy harvesting wireless sensor networks (2018)
Journal Article
Khiati, M., & Djenouri, D. (2018). Adaptive learning-enforced broadcast policy for solar energy harvesting wireless sensor networks. Computer Networks, 143, 263-274. https://doi.org/10.1016/j.comnet.2018.07.016

© 2018 Elsevier B.V. The problem of message broadcast from the base station (BS) to sensor nodes (SNs) in solar energy harvesting enabled wireless sensor networks is considered in this paper. The aim is to ensure fast and reliable broadcast without d... Read More about Adaptive learning-enforced broadcast policy for solar energy harvesting wireless sensor networks.

Exploiting GPU parallelism in improving bees swarm optimization for mining big transactional databases (2018)
Journal Article
Djenouri, Y., Djenouri, D., Belhadi, A., Fournier-Viger, P., Chun-Wei Lin, J., & Bendjoudi, A. (2019). Exploiting GPU parallelism in improving bees swarm optimization for mining big transactional databases. Information Sciences, 496, 326-342. https://doi.org/10.1016/j.ins.2018.06.060

© 2018 This paper investigates the use of GPU (Graphics Processing Unit) in improving the bees swarm optimization metaheuristic performance for solving the association rule mining problem. Although this metaheuristic proved its effectiveness, it requ... Read More about Exploiting GPU parallelism in improving bees swarm optimization for mining big transactional databases.

Data Mining-Based Decomposition for Solving the MAXSAT Problem: Toward a New Approach (2017)
Journal Article
Djenouri, Y., Habbas, Z., & Djenouri, D. (2017). Data Mining-Based Decomposition for Solving the MAXSAT Problem: Toward a New Approach. IEEE Intelligent Systems, 32(4), 48-58. https://doi.org/10.1109/MIS.2017.3121546

This article explores advances in the data mining arena to solve the fundamental MAXSAT problem. In the proposed approach, the MAXSAT instance is first decomposed and clustered by using data mining decomposition techniques, then every cluster resulti... Read More about Data Mining-Based Decomposition for Solving the MAXSAT Problem: Toward a New Approach.

Temporal and spatial coherence verification in SMIL documents with hoare logic and disjunctive constraints: A hybrid formal method (2017)
Journal Article
Mekahlia, F. Z., Ghomari, A., Yazid, S., & Djenouri, D. (2017). Temporal and spatial coherence verification in SMIL documents with hoare logic and disjunctive constraints: A hybrid formal method. Journal of Integrated Design and Process Science, 20(3), 39-70. https://doi.org/10.3233/jid-2016-0020

© 2016 - Society for Design and Process Science. All rights reserved. The challenging problem of formal verification of SMIL (Synchronized Multimedia Integration Language Specification) documents is considered in this paper, where we propose a hybrid... Read More about Temporal and spatial coherence verification in SMIL documents with hoare logic and disjunctive constraints: A hybrid formal method.

Energy-Aware Constrained Relay Node Deployment for Sustainable Wireless Sensor Networks (2017)
Journal Article
Djenouri, D., & Bagaa, M. (2017). Energy-Aware Constrained Relay Node Deployment for Sustainable Wireless Sensor Networks. IEEE Transactions on Sustainable Computing, 2(1), 30-42. https://doi.org/10.1109/TSUSC.2017.2666844

© 2016 IEEE. This paper considers the problem of communication coverage for sustainable data forwarding in wireless sensor networks, where an energy-aware deployment model of relay nodes (RNs) is proposed. The model used in this paper considers const... Read More about Energy-Aware Constrained Relay Node Deployment for Sustainable Wireless Sensor Networks.

Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition (2017)
Conference Proceeding
Djenouri, D., Bagaa, M., Chelli, A., & Balasingham, I. (2017). Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition. https://doi.org/10.1109/glocomw.2016.7848891

Survivable wireless sensor networks that take advantage of green energy resources from the environment is considered in this paper. The particular problem of constrained relay nodes (RNs) placement to ensure communication coverage in the single-tiere... Read More about Energy Harvesting Aware Minimum Spanning Tree for Survivable WSN with Minimum Relay Node Addition.

Optimal placement of relay nodes over limited positions in wireless sensor networks (2017)
Journal Article
Bagaa, M., Chelli, A., Djenouri, D., Taleb, T., Balasingham, I., & Kansanen, K. (2017). Optimal placement of relay nodes over limited positions in wireless sensor networks. IEEE Transactions on Wireless Communications, 16(4), 2205-2219. https://doi.org/10.1109/TWC.2017.2658598

This paper tackles the challenge of optimally placing relay nodes (RNs) in wireless sensor networks given a limited set of positions. The proposed solution consists of: 1) the usage of a realistic physical layer model based on a Rayleigh block-fading... Read More about Optimal placement of relay nodes over limited positions in wireless sensor networks.

Efficient on-demand multi-node charging techniques for wireless sensor networks (2016)
Journal Article
Khelladi, L., Djenouri, D., Rossi, M., & Badache, N. (2017). Efficient on-demand multi-node charging techniques for wireless sensor networks. Computer Communications, 101, 44-56. https://doi.org/10.1016/j.comcom.2016.10.005

This paper deals with wireless charging in sensor networks and explores efficient policies to perform simultaneous multi-node power transfer through a mobile charger (MC).The proposed solution, called On-demand Multi-node Charging (OMC), features an... Read More about Efficient on-demand multi-node charging techniques for wireless sensor networks.

MAC protocols with wake-up radio for wireless sensor networks: A review (2016)
Journal Article
Djiroun, F. Z., & Djenouri, D. (2017). MAC protocols with wake-up radio for wireless sensor networks: A review. Communications Surveys and Tutorials, IEEE Communications Society, 19(1), 587-618. https://doi.org/10.1109/COMST.2016.2612644

The use of a low-power wake-up radio in wireless sensor networks is considered in this paper, where relevant medium access control solutions are studied. A variety of asynchronous wake-up MAC protocols have been proposed in the literature, which take... Read More about MAC protocols with wake-up radio for wireless sensor networks: A review.

One-step approach for two-tiered constrained relay node placement in wireless sensor networks (2016)
Journal Article
Chelli, A., Bagaa, M., Djenouri, D., Balasingham, I., & Taleb, T. (2016). One-step approach for two-tiered constrained relay node placement in wireless sensor networks. IEEE Wireless Communications Letters, 5(4), 448-451. https://doi.org/10.1109/LWC.2016.2583426

© 2012 IEEE. We consider in this letter the problem of constrained relay node (RN) placement where sensor nodes must be connected to base stations by using a minimum number of RNs. The latter can only be deployed at a set of predefined locations, and... Read More about One-step approach for two-tiered constrained relay node placement in wireless sensor networks.

Parallel BSO algorithm for association rules mining using master/worker paradigm (2016)
Conference Proceeding
Djenouri, Y., Bendjoudi, A., Djenouri, D., & Habbas, Z. (2016). Parallel BSO algorithm for association rules mining using master/worker paradigm. https://doi.org/10.1007/978-3-319-32149-3_25

© Springer International Publishing Switzerland 2016. The extraction of association rules from large transactional databases is considered in the paper using cluster architecture parallel computing. Motivated by both the successful sequential BSO-ARM... Read More about Parallel BSO algorithm for association rules mining using master/worker paradigm.

Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks (2016)
Journal Article
Doudou, M., Barcelo-Ordinas, J. M., Djenouri, D., Garcia-Vidal, J., Bouabdallah, A., & Badache, N. (2016). Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks. ACM Transactions on Sensor Networks, 12(2), 1-35. https://doi.org/10.1145/2883615

Optimizing energy consumption and end-to-end (e2e) packet delay in energy-constrained, delay-sensitive wireless sensor networks is a conflicting multiobjective optimization problem. We investigate the problem from a game theory perspective, where the... Read More about Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks.

On the effect of sensing-holes in PIR-based occupancy detection systems (2016)
Conference Proceeding
Ouadjaout, A., Lasla, N., Djenouri, D., & Zizoua, C. (2016). On the effect of sensing-holes in PIR-based occupancy detection systems. In Proceedings of the 5th International Confererence on Sensor Networks - Volume 1: SENSORNETS. , (175-180). https://doi.org/10.5220/0005805901750180

Sensing-holes in PIR-based motion detection systems are considered, and their impact on occupancy monitoring applications is investigated. To our knowledge, none of prior works on PIR-based systems consider the presence of these holes, which represen... Read More about On the effect of sensing-holes in PIR-based occupancy detection systems.

Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks (2015)
Conference Proceeding
Djenouri, D., & Bagaa, M. (2015). Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks. https://doi.org/10.1109/ICC.2015.7248303

© 2015 IEEE. This paper deals with power-efficient coverage in wireless sensor networks (WSN) by taking advantage of energy-harvesting capabilities. A general scenario is considered for deployed networks with two types of sensor nodes, harvesting ena... Read More about Energy harvesting aware relay node addition for power-efficient coverage in wireless sensor networks.

Networked Wireless Sensors, Active RFID, and Handheld Devices for Modern Car Park Management: WSN, RFID, and Mob Devs for Car Park Management (2015)
Journal Article
Djenouri, D., Karbab, E., Boulkaboul, S., & Bagula, A. (2015). Networked Wireless Sensors, Active RFID, and Handheld Devices for Modern Car Park Management: WSN, RFID, and Mob Devs for Car Park Management. International Journal of Handheld Computing Research, 6(3), 33-45. https://doi.org/10.4018/ijhcr.2015070103

A variant of connected dominating set in unit disk graphs for applications in communication networks (2015)
Conference Proceeding
Djenouri, D., & Bagaa, M. (2015). A variant of connected dominating set in unit disk graphs for applications in communication networks. https://doi.org/10.1109/EIT.2015.7293384

© 2015 IEEE. This paper considers a variant of the connected dominating set (CDS) problem in a unit disk graph G = (V, E). The considered problem consists in minimizing the number of CDS vertices that belong to a subset V' ⊆V. As far as we know, this... Read More about A variant of connected dominating set in unit disk graphs for applications in communication networks.